Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Bidens alba var. radiata
FAMILY
Asteraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Bidens at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Bidens alba var. radiata
FAMILY
Asteraceae
INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Bidens pilosa
INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21 (2006)
Bidens pilosa
SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Bidens alba var. radiata
INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-70-012:
Bidens pilosa FAMILY Asteraceae
INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Bidens pilosa
COMMON NAME:
Hairy Beggarticks, Shepherd's Needles, White Beggarticks
To see larger pictures, click or hover over the thumbnails.
)
JK Marlow s070913_a
September Beaufort County SC
Leaves ternately to pinnately dissected, base rounded to cuneate, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
)
Patrick D. McMillan pdmbpilosa_41
November
Ray florets white, 5-8, the ligule 5-16 mm long, per Weakley's Flora.
)
Patrick D. McMillan pdmbpilosa_stjoe1
Month Unknown Gulf County FL
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Bidens alba var. radiata
FAMILY
Asteraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Bidens alba var. radiata
FAMILY
Asteraceae
INCLUDED WITHIN
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Bidens pilosa
INCLUDED WITHIN
Flora of North America north of Mexico, vol. 19-20-21
Bidens pilosa
SYNONYMOUS WITH
Floristic Synthesis of North America (Kartesz, 1999)
Bidens alba var. radiata
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-70-012:
Bidens pilosa
FAMILY
Asteraceae
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933, 1938)
Bidens pilosa
208
Forb
Annual/Short-lived perennial
Habitat: Disturbed areas, per Weakley's Flora
Non-native: adventive from the New World tropics
Uncommon in Coastal Plain of GA & SC (rare elsewhere in GA-NC-SC)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple: mostly 1-pinnately lobed
Opposite
Margins serrate
FLOWER:
Spring/Summer/Fall
Rays: Absent or White
Disc: Yellow
Inferior ovary
Disc flowers bisexual & fertile/ Ray flowers neuter or styliferous & sterile
FRUIT:
Spring/Summer/Fall
Achene
TO LEARN MORE about this plant, look it up in a good book!
- All About South Carolina Wildflowers (Midgley, 1999) p120
- Wildflowers of the Atlantic Southeast (Cotterman, Waitt, & Weakley, 2019) p202
- Wildflowers of the Carolina Lowcountry (Porcher, 1995) p204
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p125?
- Weeds of Southern Turfgrasses (Murphy et al., 1992) p084
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